APA (7th ed.) Citation

Beck, C., & Andrews, H. (1910). Photographic lenses (2nd ed.). Beck [u.a.].

Chicago Style (17th ed.) Citation

Beck, Conrad, and Herbert Andrews. Photographic Lenses. 2nd ed. London: Beck [u.a.], 1910.

MLA (9th ed.) Citation

Beck, Conrad, and Herbert Andrews. Photographic Lenses. 2nd ed. Beck [u.a.], 1910.